These frameworks show pieces of a whole when the representation need not be data driven.The halos outside the sliced pie show external forces or spheres of influence or layers of the whole.The outer layers or "halos" are split in several ways so that you can color code the framework for clarity or as an additional identifier.Segment frameworks can sometimes be used as a flow alternative, bullet alternative, and also the basis for a tracker system within your presentation.These types of frameworks are underused.